linux/drivers/net/ethernet/chelsio/cxgb3/xgmac.c

/*
 * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#include "common.h"
#include "regs.h"

/*
 * # of exact address filters.  The first one is used for the station address,
 * the rest are available for multicast addresses.
 */
#define EXACT_ADDR_FILTERS …

static inline int macidx(const struct cmac *mac)
{ … }

static void xaui_serdes_reset(struct cmac *mac)
{ … }

void t3b_pcs_reset(struct cmac *mac)
{ … }

int t3_mac_reset(struct cmac *mac)
{ … }

static int t3b2_mac_reset(struct cmac *mac)
{ … }

/*
 * Set the exact match register 'idx' to recognize the given Ethernet address.
 */
static void set_addr_filter(struct cmac *mac, int idx, const u8 * addr)
{ … }

/* Set one of the station's unicast MAC addresses. */
int t3_mac_set_address(struct cmac *mac, unsigned int idx, const u8 addr[6])
{ … }

/*
 * Specify the number of exact address filters that should be reserved for
 * unicast addresses.  Caller should reload the unicast and multicast addresses
 * after calling this.
 */
int t3_mac_set_num_ucast(struct cmac *mac, int n)
{ … }

void t3_mac_disable_exact_filters(struct cmac *mac)
{ … }

void t3_mac_enable_exact_filters(struct cmac *mac)
{ … }

/* Calculate the RX hash filter index of an Ethernet address */
static int hash_hw_addr(const u8 * addr)
{ … }

int t3_mac_set_rx_mode(struct cmac *mac, struct net_device *dev)
{ … }

static int rx_fifo_hwm(int mtu)
{ … }

int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
{ … }

int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc)
{ … }

int t3_mac_enable(struct cmac *mac, int which)
{ … }

int t3_mac_disable(struct cmac *mac, int which)
{ … }

int t3b2_mac_watchdog_task(struct cmac *mac)
{ … }

/*
 * This function is called periodically to accumulate the current values of the
 * RMON counters into the port statistics.  Since the packet counters are only
 * 32 bits they can overflow in ~286 secs at 10G, so the function should be
 * called more frequently than that.  The byte counters are 45-bit wide, they
 * would overflow in ~7.8 hours.
 */
const struct mac_stats *t3_mac_update_stats(struct cmac *mac)
{ … }